parameter: 1. Material: ABS 2. Color: black 3. Rated working voltage: 12V24V 4. Working voltage limit: 9-32V 5. USB output: 5V1A 6. USB2 output: QC3.0 7. Working temperature: less than 60 degrees Celsius 8. Music format: MP3 9. Compatible with TF card capacity: 1G-32G 10. Bluetooth version: 4.2 + EDR 11. Modulation mode: QPSK 12. Frequency: 177MHz-240MHz 13. Non-channel memory: support 14. Frequency modulation transmission: 87.5MHz-108MHz 15. Effective transmission distance: 0.5-2 meters 16. Bluetooth effective distance: less than 10 meters Features: 1. DABDAB+ receiver 2. Slide show function, FM full frequency transmission 3. Support image display, display name display function 4. Bluetooth music and call response 5. USB music playback and charging functionSD music playback 6. Use FM transmission technology to wirelessly transmit DAB+DAB radio to your existing car radio amplifier 7. Service tracking function and quick scan to find the next available free DABDAB+ frequency 8. Line output function, get the best sound quality by connecting to the auxiliary input of the car 9. The cigarette lighter provides power 10. With magnetic support, easy to install and adjust the position of the equipment 11. With car adsorption antenna 12. Strong versatility, no need to install any software on the vehicle host, you can use AUX to connect with the vehicle host, applicable to the vehicle host with AUX 13. Product list: host transmitter, DAB antenna, audio cable, base, English description, car charger, charging cable, adapter